名词
中文翻译：衰减器
同义词：
['attenuation', 'damper', 'suppressor']
例句：
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1.The attenuator is used to adjust the volume of the audio signal.
衰减器用于调整音频信号的音量。
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2. The engineer adjusted the attenuator to improve the sound quality.
工程师调整了衰减器以改善音质。
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3.The attenuator was used to reduce the noise level in the recording studio.
衰减器被用来降低录音室的噪音水平。